• 1. Department of Orthopedics, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, P.R.China;
  • 2. Xinxiang Detachment of Henan General Corps of Chinese People’s Armed Police, Xinxiang Henan, 453000, P.R.China;
BI Wenzhi, Email: biwenzhi@sina.com
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Objective To evaluate the effectiveness of total scapular arthroplasty after total scapulectomy for scapular tumors.Methods A clinical data of 17 patients with scapular tumors treated with total scapulectomy and total scapular arthroplasty between January 2010 and December 2017 were retrospectively reviewed. There were 9 males and 8 females with an average age of 34.4 years (range, 13-64 years). Seven patients were diagnosed with chondrosarcoma, 3 with osteosarcoma, 2 with Ewing’s sarcoma, 1 with high-grade sarcoma, 1 with polymorphic dedifferentiated sarcoma, 1 with fibrosarcoma, 1 with plasmacytoma, and 1 with bone giant cell tumor. According to the surgical staging system described by Enneking et al, 1 patient was rated as stage 3, 8 as stageⅠB, 8 as stageⅡB. According to the classifications of shoulder girdle resections of Malawer et al, 11 patients were type ⅢB, 5 were type ⅣB, 1 was type ⅥB. The disease duration ranged from 0.5 to 8.0 months (mean, 3.2 months) and tumor size ranged from 11.0 cm×7.5 cm×6.0 cm to 18.5 cm×18.0 cm×12.5 cm. The 1993 Musculoskeletal Tumor Society (MSTS) upper limb function scoring system and shoulder mobility were used to evaluate postoperative shoulder joint function. Tumor recurrence and metastases were monitored by radiograph.Results Poor superficial incision healing occurred in 1 patient, the rest incisions achieved healing by first intention. All patients were followed up 20-72 months (mean, 45.4 months). Two of the 17 patients died of multiple organ dysfunction syndrome caused by tumor metastases; 3 patients suffered from pulmonary metastases and were alive with disease. No local recurrence occurred in all patients. The overall survival rate was 88.2% (15/17) and the disease-free survival rate was 70.6% (12/17). Rib fracture after trauma, aseptic loosening, and atrophy of the deltoid muscle occurred in 1, 1, and 1 case, respectively. The other related complication was not observed. At last follow-up, the MSTS score was 26.1±1.4, and the flexion, extension, and abduction range of motion of shoulder joint were (70.0±7.5), (31.2±11.3), and (54.4 ±12.5) °, respectively.Conclusion Reconstruction with total scapular arthroplasty after total scapulectomy can obtain a satisfactory shoulder contour and an acceptable functional outcomes in patients with scapular tumors.

Citation: LI Jianxiong, BI Jingyou, ZHAO Xuelin, YAO Peng, LIU Yatao, BI Wenzhi. Evaluation of total scapular arthroplasty after total scapulectomy for scapular tumors. Chinese Journal of Reparative and Reconstructive Surgery, 2020, 34(2): 179-183. doi: 10.7507/1002-1892.201907016 Copy

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